:root {
            --primary: #12b7f5;
            --primary-dark: #0d8abf;
            --gradient: linear-gradient(135deg, #12c2e9, #c471ed, #f64f59);
            --text: #333;
            --text-light: #666;
            --bg: #f8f9fa;
            --card-bg: #fff;
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
            --radius: 12px;
            --transition: all 0.3s ease;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Poppins', 'Microsoft YaHei', sans-serif;
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.6;
        }
        
        .qq-container {
            max-width: 1200px;
            margin: 30px auto;
            overflow: hidden;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            background-color: var(--card-bg);
            position: relative;
        }
        
        /* 头部样式 */
        .qq-header {
            display: flex;
            padding: 40px;
            background: var(--gradient);
            color: white;
            position: relative;
            overflow: hidden;
        }
        
        .qq-header::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -50%;
            width: 100%;
            height: 200%;
            background: radial-gradient(circle, rgba(255,255,255,0.2) 0%, transparent 70%);
            transform: rotate(30deg);
        }
        
        .qq-avatar {
            position: relative;
            margin-right: 30px;
            z-index: 2;
        }
        
        .qq-avatar img {
            width: 150px;
            height: 150px;
            border-radius: 50%;
            border: 4px solid rgba(255, 255, 255, 0.8);
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
            transition: var(--transition);
            object-fit: cover;
        }
        
        .qq-level {
            position: absolute;
            bottom: 10px;
            right: 10px;
            background-color: #ff9500;
            color: white;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 600;
            box-shadow: 0 3px 10px rgba(0, 0, 0, 0.2);
            z-index: 3;
        }
        
        .qq-info {
            flex: 1;
            z-index: 2;
        }
        
        .qq-info h1 {
            font-size: 32px;
            margin-bottom: 12px;
            font-weight: 600;
            text-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
        }
        
        .qq-info p {
            margin-bottom: 12px;
            font-size: 16px;
            opacity: 0.9;
        }
        
        .qq-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 15px;
        }
        
        .qq-tags span {
            display: inline-block;
            background-color: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(5px);
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 14px;
            font-weight: 500;
            transition: var(--transition);
            border: 1px solid rgba(255, 255, 255, 0.2);
        }
        
        /* 导航样式 */
        .qq-nav {
            background-color: var(--card-bg);
            border-bottom: 1px solid rgba(0, 0, 0, 0.05);
            position: relative;
        }
        
        .qq-nav::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(0,0,0,0.1), transparent);
        }
        
        .qq-nav ul {
            display: flex;
            list-style: none;
            justify-content: center;
        }
        
        .qq-nav li {
            padding: 18px 30px;
            cursor: pointer;
            font-size: 16px;
            color: var(--text-light);
            position: relative;
            font-weight: 500;
            transition: var(--transition);
        }
        
        .qq-nav li::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 3px;
            background: var(--primary);
            transition: var(--transition);
        }
        
        .qq-nav li:hover {
            color: var(--primary);
        }
        
        .qq-nav li:hover::after {
            width: 60%;
        }
        
        .qq-nav li.active {
            color: var(--primary);
        }
        
        .qq-nav li.active::after {
            width: 60%;
        }
        
        .qq-nav i {
            margin-right: 10px;
            font-size: 18px;
        }
        
        /* 内容区域 */
        .qq-content {
            display: flex;
            padding: 30px;
            gap: 30px;
        }
        
        .qq-profile {
            flex: 3;
        }
        
        .qq-sidebar {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 30px;
        }
        
        .profile-section {
            margin-bottom: 30px;
            padding: 25px;
            background-color: var(--card-bg);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        
        .profile-section:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
        }
        
        .profile-section h3 {
            font-size: 20px;
            margin-bottom: 20px;
            color: var(--primary);
            display: flex;
            align-items: center;
            font-weight: 600;
        }
        
        .profile-section h3 i {
            margin-right: 12px;
            font-size: 22px;
        }
        
        .profile-row {
            display: flex;
            margin-bottom: 15px;
            flex-wrap: wrap;
            gap: 15px;
        }
        
        .profile-row span {
            flex: 1;
            min-width: calc(50% - 15px);
            color: var(--text-light);
            font-size: 15px;
            position: relative;
            padding-left: 20px;
        }
        
        .profile-row span::before {
            content: '•';
            position: absolute;
            left: 0;
            color: var(--primary);
            font-size: 20px;
            line-height: 1;
        }
        
        .qq-level-progress {
            background-color: #f0f0f0;
            height: 36px;
            border-radius: 18px;
            position: relative;
            margin-top: 20px;
            overflow: hidden;
            box-shadow: inset 0 2px 5px rgba(0, 0, 0, 0.1);
        }
        
        .progress-bar {
            background: var(--gradient);
            height: 100%;
            border-radius: 18px;
            position: relative;
            transition: width 1.5s ease;
        }
        
        .progress-bar::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(90deg, rgba(255,255,255,0.1), rgba(255,255,255,0.3), rgba(255,255,255,0.1));
            animation: progressShine 2s infinite;
        }
        
        .qq-level-progress span {
            position: absolute;
            left: 20px;
            top: 50%;
            transform: translateY(-50%);
            color: white;
            font-size: 14px;
            font-weight: 600;
            text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
            z-index: 2;
        }
        
        /* 侧边栏样式 */
        .sidebar-section {
            background-color: var(--card-bg);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 25px;
            transition: var(--transition);
        }
        
        .sidebar-section:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
        }
        
        .sidebar-section h3 {
            font-size: 18px;
            margin-bottom: 20px;
            color: var(--text);
            display: flex;
            align-items: center;
            font-weight: 600;
        }
        
        .sidebar-section h3 i {
            margin-right: 12px;
            color: var(--primary);
            font-size: 20px;
        }
        
        .qq-feed {
            list-style: none;
        }
        
        .qq-feed li {
            display: flex;
            margin-bottom: 20px;
            padding-bottom: 20px;
            border-bottom: 1px dashed rgba(0, 0, 0, 0.08);
            transition: var(--transition);
        }
        
        .qq-feed li:hover {
            transform: translateX(5px);
        }
        
        .qq-feed li:last-child {
            border-bottom: none;
            margin-bottom: 0;
            padding-bottom: 0;
        }
        
        .qq-feed li img {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            margin-right: 15px;
            object-fit: cover;
            border: 2px solid rgba(0, 0, 0, 0.05);
            flex-shrink: 0;
        }
        
        .feed-content {
            flex: 1;
        }
        
        .feed-content p {
            margin-bottom: 8px;
            font-size: 15px;
        }
        
        .feed-content p:first-child {
            font-weight: 500;
            color: var(--text);
        }
        
        .feed-content p:nth-child(2) {
            color: var(--text-light);
            line-height: 1.5;
        }
        
        .feed-time {
            color: #999;
            font-size: 13px;
            display: flex;
            align-items: center;
        }
        
        .feed-time::before {
            content: '\f017';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            margin-right: 6px;
            font-size: 12px;
        }
        
        .qq-achievements {
            list-style: none;
        }
        
        .qq-achievements li {
            padding: 12px 0;
            font-size: 15px;
            color: var(--text-light);
            border-bottom: 1px dashed rgba(0, 0, 0, 0.08);
            display: flex;
            align-items: center;
            transition: var(--transition);
        }
        
        .qq-achievements li:hover {
            color: var(--primary);
            transform: translateX(5px);
        }
        
        .qq-achievements li:last-child {
            border-bottom: none;
        }
        
        .qq-achievements i {
            margin-right: 12px;
            color: #ff9500;
            font-size: 18px;
            transition: var(--transition);
        }
        
        /* 页脚样式 */
        .qq-footer {
            text-align: center;
            padding: 25px;
            background-color: var(--card-bg);
            color: var(--text-light);
            font-size: 14px;
            border-top: 1px solid rgba(0, 0, 0, 0.05);
        }
        
        .qq-footer a {
            color: var(--primary);
            text-decoration: none;
            margin: 0 12px;
            font-weight: 500;
            transition: var(--transition);
            position: relative;
        }
        
        .qq-footer a:hover {
            color: var(--primary-dark);
        }
        
        .qq-footer a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 1px;
            background: var(--primary);
            transition: var(--transition);
        }
        
        .qq-footer a:hover::after {
            width: 100%;
        }
        
        /* 动画效果 */
        @keyframes progressShine {
            0% { transform: translateX(-100%); }
            100% { transform: translateX(100%); }
        }
        
        /* 响应式设计 */
        @media (max-width: 992px) {
            .qq-content {
                flex-direction: column;
            }
            
            .qq-profile {
                margin-bottom: 30px;
            }
        }
        
        @media (max-width: 768px) {
            .qq-header {
                flex-direction: column;
                align-items: center;
                text-align: center;
                padding: 30px 20px;
            }
            
            .qq-avatar {
                margin-right: 0;
                margin-bottom: 20px;
            }
            
            .qq-nav ul {
                flex-wrap: wrap;
            }
            
            .qq-nav li {
                padding: 15px 20px;
                font-size: 15px;
            }
            
            .profile-row span {
                min-width: 100%;
            }
        }